Hi all,
Your help would be appreciated. We are mainly domestic sparx so I havn't much experience with cable sizing for motors.
On site, we need to supply a motor control panel which operates the sewage pump. There are in fact two pumps but I think they switch between periodically to prolong...
mark_
Thread
cable
cable size
control
disconnection
discrimination
motor
panel
phase
required
singlesinglephase
size
Does anyone know which companies provide monitoring services for the Elster AS230 Single Phase Meter?
How much do they cost for GSM / SIM access, for each data interval?
What SIM cards are required to access these services?
What software / hardware is required to read this meter via LAN / WAN...
Hi , I am new to the forum not a sparky but Physics background .had to make the decision with a car lift whether to buy an inverter or change to a single phase motor . My lift is a Bradbury 40 series 4 tonne .The motor does not need to reverse as it is gravity that takes it down .Also purely...
richard feynma
Thread
3 phase
capacitor
car
conversion
motor
phasesinglesinglephase
start
Hi
Had a call out to a customer yesterday who'd had a cooker delivered from John Lewis, but the sparky had refused to connect it as the supply was 32A on a 4mm cable. Manufacturer instructions specify 6mm cable but don't give rating of appliance, and it's not on the data plate, but manufacturer...
I have been asked to do a quote for an 8kWp system on a commercial building which only has a single phase supply.
After running different systems through various software it seems that I have 2 options;
1) Install 1 SB7000HV inverter
2) Install 2 x SB4000-TLs
Option 1 is the most cost...
Ok got called in regards to somebody's electrica gate not working.
Power supply all seems good.
After removing the motor i attempted to test the windings. ( i really havent done much with motors)
the motor is single phase. Has a N , 2 feeds/supplys/windings. ? is this one :- Electric Gates...
daiplayer
Thread
fault
fault finding
finding
motor
motors
other
phasesinglesinglephase
When sleeving a 3 core 3 phase Brown, Black, Grey cable as a single phase cable, which core of the Black and Grey are to be sleeved as Neutral and Earth.
Some lads are saying Black as Neutral and others are saying Grey as Neutral.
I can't find a specific answer in the reqs.
kodr
Thread
3 phase
black
cable
colour
earth
neutral
phasesinglesinglephase
sleeving
hello there.
I am talking to some people at the moment who wish to install 10KWp on a single phase of a three phase supply. The single phase supplies the house and they want to make as much as as they can from the system.
Assuming all is well with the DNO etc. I would propose two 5KW single...
talking to a customer who has 2.94 installed and he wants to increase this to over 4kw (subject to DNO). My question is: If his incoming meter is change to a 3 phase with a new MPAN, will he loose the FIT rate on the existing 2.94kW?
Recently looked at a job to relocate a pump due to the poor location it was in for maintenance purposes. The current set up is a 230Va.c centrifugal pump rated 0.77KW 3.4A FLC fed from c type 6amp MCB to 16amp switched socket.
Am I right in saying that this needs to be changed to incorperate a...
Hi all!
Just wired my first 3phase compressor and got it to run the right way'
The customer then wanted to move the compressor to another premises with only a single phase supply! He asked can it be done?
I answered "......Erm I think so"
Help!
The compressor is 3phase and earth. Without...
I have a problem with a EDR 25 diagonal fan. I wired in the fan to the wiring diagram ie live and neutral. When I turned it on nothing happened. I checked the voltage at the switch, on the live side of the switch there was 240v. When the switch was turned on the 240v dissapeared! Thinking there...
hi, i am in need of some advice on wiring for a 2 post ramp, the ramp is a Bradbury electro mechanical that was 3 phase i have replaced the motor with a 3kw single phase capacitor start capacitor run motor, what i need to know is can i run the motor from the original drum switch and contactors...
gaz-c
Thread
3 phase
contactor
motor
phase
post
singlesinglephase
wiring
Hello All,
Today i am connecting up a single phase contactor.
I know the contactor needs a neutral to operate the coil, but does the neutral for the load have to run through the contactor as well? As you can tell I have not done to many of these.
The contactor is for the underfloor heating as...
I have to install a temporary single phase supply which is getting upgraded to three phase very soon. Will a modern three phase meter measure just the current being used on one phase? Can anyone recommend any particular brand/model?
I've got to come out of an existing TP board so looks like I...
chronyx
Thread
meter
phase
required
singlesinglephase
three
three phase
Hi i'm after some advice, i've been asked to quote for a rewire in a care home which has a single phase supply, they have requested 5x 8.5kw showers to be installed
can you apply diversity to electric showers and is there a device which allows only 1 shower to be working at one time?
I have...
hsuelec77
Thread
electric
electrical
phase
shower
showers
singlesinglephase
supply
Hi every one i was just looking for a bit of help i have been given some home work from college that i am not sure on, We have just started learning about 3 phase so not very good at it yet but i have been given home work i have to draw a circuit diagram and a wiring diagram for a balanced 3...
Hi All, Right here goes..
I have been asked to attend a Manchester city centre job where I have been asked to wire an upstairs flat which is currently fed from a old rewirable fuse board.. Which is fed with 2.5MM cable which is fed from a three phase board. (Needless to say I won’t be...
Hi.Today during my job at a police station, took cover off brand new KQ 3 phase SquareD db (recent db change by different firm) to connect my new ring to one of the ways and found that the 3 phase db had been converted to single phase. 25mm double insulated tails live and neutral, L1, L2 and L3...
daveelectrician
Thread
10mm
3 phase
earth
neutral
phasesinglesinglephase
using
Best EV Chargers by Electrical2Go! The official electric vehicle charger supplier.
OFFICIAL SPONSORS
These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then CLICK HERE and post a thread with who you are, and we'll send you some stats etc